Dirac quantum time mirror

Phillipp Reck, Cosimo Gorini, Arseni Goussev, Viktor Krueckl, Mathias Fink, Klaus Richter*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Both metaphysical and practical considerations related to time inversion have intrigued scientists for generations. Physicists have strived to devise and implement time-inversion protocols, in particular different forms of "time mirrors" for classical waves. Here we propose an instantaneous time mirror for quantum systems, i.e., a controlled time discontinuity generating wave function echoes with high fidelities. This concept exploits coherent particle-hole oscillations in a Dirac spectrum in order to achieve population reversal, and can be implemented in systems such as (real or artificial) graphene.

Original languageEnglish
Article number165421
Number of pages9
JournalPhysical Review B
Volume95
Issue number16
DOIs
Publication statusPublished - 14 Apr 2017

Keywords

  • RCUK
  • EPSRC
  • EP/K024116/1

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